U.S. Marks 16th Anniversary of 9/11 AttacksPresident Trump presided over his first commemoration of the attacks that killed almost 3,000 people and wounded another 6,00018 pictures

James Taormina, whose brother Dennis was killed in the 9/11 attacks, pauses at the memorial before a commemoration ceremony for the victims of the September 11 terrorist attacks at the National September 11 Memorial, September 11, 2017...More

James Taormina, whose brother Dennis was killed in the 9/11 attacks, pauses at the...James Taormina, whose brother Dennis was killed in the 9/11 attacks, pauses at the memorial before a commemoration ceremony for the victims of the September 11 terrorist attacks at the National September 11 Memorial, September 11, 2017 in New York City. In New York City and throughout the United States, the country is marking the 16th anniversary of the September 11 terrorist attacks.LessMore

U.S. President Donald Trump and first lady Melania Trump, flanked by White House staff, observe a moment of silence on the South Lawn of the White House for the September 11 terrorist attacks September 11, 2017 in Washington, DC. Today...More

U.S. President Donald Trump and first lady Melania Trump, flanked by White House...U.S. President Donald Trump and first lady Melania Trump, flanked by White House staff, observe a moment of silence on the South Lawn of the White House for the September 11 terrorist attacks September 11, 2017 in Washington, DC. Today marks the 16th anniversary of the attacks that killed almost 3,000 people and wounded another 6,000.LessMore

U.S. President Donald Trump and first lady Melania Trump, flanked by White House staff, place their hands over their hearts on the South Lawn of the White House during the playing of 'Taps' at a ceremony marking the September 11...More

U.S. President Donald Trump and first lady Melania Trump, flanked by White House...U.S. President Donald Trump and first lady Melania Trump, flanked by White House staff, place their hands over their hearts on the South Lawn of the White House during the playing of 'Taps' at a ceremony marking the September 11 attacks September 11, 2017 in Washington, DC. Today marks the 16th anniversary of the attacks that killed almost 3,000 people and wounded another 6,000.LessMore

U.S. President Donald Trump lays a wreath at a ceremony commemorating the September 11, 2001 terrorist attacks at the Pentagon September 11, 2017 in Washington, D.C. Trump was presiding over his first 9/11 commemoration on the 16th...More

U.S. President Donald Trump lays a wreath at a ceremony commemorating the September...U.S. President Donald Trump lays a wreath at a ceremony commemorating the September 11, 2001 terrorist attacks at the Pentagon September 11, 2017 in Washington, D.C. Trump was presiding over his first 9/11 commemoration on the 16th anniversary of the terrorist attacks that killed nearly 3,000 people when hijackers flew commercial airplanes into New York's World Trade Center, the Pentagon and a field near Shanksville, Pennsylvania.LessMore

Family members, first responders and others attend a commemoration ceremony for the victims of the September 11 terrorist attacks at the National September 11 Memorial, September 11, 2017 in New York City. In New York City and...More

Family members, first responders and others attend a commemoration ceremony for the...Family members, first responders and others attend a commemoration ceremony for the victims of the September 11 terrorist attacks at the National September 11 Memorial, September 11, 2017 in New York City. In New York City and throughout the United States, the country is marking the 16th anniversary of the September 11 terrorist attacks.LessMore

A flower is left at the North pool during a commemoration ceremony for the victims of the September 11 terrorist attacks at the National September 11 Memorial, September 11, 2017 in New York City. In New York City and throughout the...More

A flower is left at the North pool during a commemoration ceremony for the victims...A flower is left at the North pool during a commemoration ceremony for the victims of the September 11 terrorist attacks at the National September 11 Memorial, September 11, 2017 in New York City. In New York City and throughout the United States, the country is marking the 16th anniversary of the September 11 terrorist attacks.LessMore

Family members, first responders and others attend a commemoration ceremony for the victims of the September 11 terrorist attacks at the National September 11 Memorial, September 11, 2017 in New York City. In New York City and...More

Family members, first responders and others attend a commemoration ceremony for the...Family members, first responders and others attend a commemoration ceremony for the victims of the September 11 terrorist attacks at the National September 11 Memorial, September 11, 2017 in New York City. In New York City and throughout the United States, the country is marking the 16th anniversary of the September 11 terrorist attacks.LessMore

Vice President Mike Pence and his wife, Karen, tour the Flight 93 National Memorial on the 16th Anniversary ceremony of the September 11th terrorist attacks, September 11, 2017 in Shanksville, Pennsylvania. United Airlines Flight 93...More

Vice President Mike Pence and his wife, Karen, tour the Flight 93 National Memorial...Vice President Mike Pence and his wife, Karen, tour the Flight 93 National Memorial on the 16th Anniversary ceremony of the September 11th terrorist attacks, September 11, 2017 in Shanksville, Pennsylvania. United Airlines Flight 93 crashed into a field outside Shanksville, PA with 40 passengers and 4 hijackers aboard on September 11, 2001.LessMore

U.S. Attorney General Jeff Sessions pauses for a moment of silence during a vigil ceremony marking the September 11 terrorist attacks at the Department of Justice on September 11, 2017 in Washington, DC. Today marks the 16th...More

U.S. Attorney General Jeff Sessions pauses for a moment of silence during a vigil...U.S. Attorney General Jeff Sessions pauses for a moment of silence during a vigil ceremony marking the September 11 terrorist attacks at the Department of Justice on September 11, 2017 in Washington, DC. Today marks the 16th anniversary of the attacks that killed almost 3,000 people and wounded another 6,000.LessMore

U.S. President Donald Trump, left, speaks as General Joseph Dunford, chairman of the Joint Chiefs of Staff, right and Jim Mattis, U.S. secretary of defense, listen, during a ceremony to commemorate the September 11, 2001 terrorist...More

U.S. President Donald Trump, left, speaks as General Joseph Dunford, chairman of...U.S. President Donald Trump, left, speaks as General Joseph Dunford, chairman of the Joint Chiefs of Staff, right and Jim Mattis, U.S. secretary of defense, listen, during a ceremony to commemorate the September 11, 2001 terrorist attacks, at the Pentagon in Washington, D.C., U.S., on Monday, Sept. 11, 2017. Trump is presiding over his first 9/11 commemoration on the 16th anniversary of the terrorist attacks that killed nearly 3,000 people when hijackers flew commercial airplanes into New York's World Trade Center, the Pentagon and a field near Shanksville, Pennsylvania. Photographer: Andrew Harrer/Bloomberg via Getty ImagesLessMore

Firefighters hold up a flag that flew at the World Trade Center at the start of a commemoration ceremony for the victims of the September 11 terrorist attacks at the National September 11 Memorial, September 11, 2017 in New York City....More

Firefighters hold up a flag that flew at the World Trade Center at the start of a...Firefighters hold up a flag that flew at the World Trade Center at the start of a commemoration ceremony for the victims of the September 11 terrorist attacks at the National September 11 Memorial, September 11, 2017 in New York City. In New York City and throughout the United States, the country is marking the 16th anniversary of the September 11 terrorist attacks.LessMore

A New York City Police Department (NYPD) officer breaks down while visiting the North pool during a commemoration ceremony for the victims of the September 11 terrorist attacks at the National September 11 Memorial, September 11, 2017...More

A New York City Police Department (NYPD) officer breaks down while visiting the...A New York City Police Department (NYPD) officer breaks down while visiting the North pool during a commemoration ceremony for the victims of the September 11 terrorist attacks at the National September 11 Memorial, September 11, 2017 in New York City. In New York City and throughout the United States, the country is marking the 16th anniversary of the September 11 terrorist attacks.LessMore

Family members, first responders and others attend a commemoration ceremony for the victims of the September 11 terrorist attacks at the National September 11 Memorial, September 11, 2017 in New York City. In New York City and...More

Family members, first responders and others attend a commemoration ceremony for the...Family members, first responders and others attend a commemoration ceremony for the victims of the September 11 terrorist attacks at the National September 11 Memorial, September 11, 2017 in New York City. In New York City and throughout the United States, the country is marking the 16th anniversary of the September 11 terrorist attacks.LessMore

Family members, first responders and others attend a commemoration ceremony for the victims of the September 11 terrorist attacks at the National September 11 Memorial, September 11, 2017 in New York City. In New York City and...More

Family members, first responders and others attend a commemoration ceremony for the...Family members, first responders and others attend a commemoration ceremony for the victims of the September 11 terrorist attacks at the National September 11 Memorial, September 11, 2017 in New York City. In New York City and throughout the United States, the country is marking the 16th anniversary of the September 11 terrorist attacks.LessMore

A Superman action figure left under the name of passenger Lewis J. Nacke II at the Flight 93 National Memorial on the 16th Anniversary ceremony of the September 11th terrorist attacks, September 11, 2017 in Shanksville, Pennsylvania....More

A Superman action figure left under the name of passenger Lewis J. Nacke II at the...A Superman action figure left under the name of passenger Lewis J. Nacke II at the Flight 93 National Memorial on the 16th Anniversary ceremony of the September 11th terrorist attacks, September 11, 2017 in Shanksville, Pennsylvania. United Airlines Flight 93 crashed into a field outside Shanksville, PA with 40 passengers and 4 hijackers aboard on September 11, 2001.LessMore

Visitors unfurl a commemorative flag at the Flight 93 National Memorial on the 16th Anniversary ceremony of the September 11th terrorist attacks, September 10, 2017 in Shanksville, PA. United Airlines Flight 93 crashed into a field...More

Visitors unfurl a commemorative flag at the Flight 93 National Memorial on the 16th...Visitors unfurl a commemorative flag at the Flight 93 National Memorial on the 16th Anniversary ceremony of the September 11th terrorist attacks, September 10, 2017 in Shanksville, PA. United Airlines Flight 93 crashed into a field outside Shanksville, PA with 40 passengers and 4 hijackers aboard on September 11, 2001.LessMore

Visitors gather to pay respects during the Flight 93 National MemorialÕs annual Luminaria on the eve of 16th Anniversary ceremony of the September 11th terrorist attacks, September 10, 2017 in Shanksville, PA. United Airlines Flight 93...More

Visitors gather to pay respects during the Flight 93 National MemorialÕs annual...Visitors gather to pay respects during the Flight 93 National MemorialÕs annual Luminaria on the eve of 16th Anniversary ceremony of the September 11th terrorist attacks, September 10, 2017 in Shanksville, PA. United Airlines Flight 93 crashed into a field outside Shanksville, PA with 40 passengers and 4 hijackers aboard on September 11, 2001.LessMore

TOPSHOT - The 'Tribute in Light' illuminates the night sky, on September 10, 2017...TOPSHOT - The 'Tribute in Light' illuminates the night sky, on September 10, 2017 in New York City, on the eve of the anniversary of the September 11, 2001 terror attacks. /LessMore